Ripples spreading across a calm lake after raindrops fall—and the way ripples from different drops overlap and travel outward ...

IonQ holds the world record for two-qubit gate fidelity at 99.99%. No other company has crossed the 99.9% two-qubit gate ...

For decades, quantum computing has been heralded as a technology of the future, promising to solve problems far beyond the reach of supercomputers. But its practical use has remained elusive. That’s ...

Quantum computers, systems that process information leveraging quantum mechanical effects, could soon outperform classical computers on some complex computational problems. These computers rely on ...

Long-term threats to Bitcoin’s security are creeping up faster than markets expect, analyst warns. About one-third of all Bitcoin “appears vulnerable to long-range quantum attacks.” BlackRock also ...

Researchers at Kumamoto University, in collaboration with colleagues in South Korea and Taiwan, have discovered that a unique ...

Quantum computing is often heralded as the next frontier, with projections of hundreds of billions in economic value fueling intense investment and hype. Yet savvy business and government leaders ...

On December 22, 2025, Rigetti Computing experienced a surge of more 13% as part of a wider rally in quantum computing stocks.

This device is known as a Josephson junction. It’s the foundational building block of quantum computers and advances of it ...

Photonic says it’s trying to build the world’s first highly scalable fault-tolerant quantum computer. It’s doing so with a ...

Wall Street's savviest money managers are shunning high-flying quantum computing pure-play stocks in favor of a cash-rich, industry-leading company that has a laundry list of competitive advantages.